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Sigma:水楊酸,84210-100G,CAS:69-72-7 屬性: 質(zhì)量水平:200 蒸汽密度:4.8 (vs air) 蒸汽壓:1 mmHg ( 114 °C) 等級:puriss. p.a. 測定:≥99.0% (T) 灼燒殘渣:≤0.05% (as SO4) 缺失:≤0.5% loss on drying Bp:211°C (lit.)
Sigma:氣溶膠OT,86140-100G,CAS:577-11-7 屬性: 質(zhì)量水平:200 等級:purum 測定:≥96.0% (TLC) 雜質(zhì):≤2% water
Sigma:三氧化鉬,203815-5G,CAS:1313-27-5 屬性: 質(zhì)量水平:100 測定:99.97% trace metals basis 形式:powder Mp:795°C (lit.) 特色行業(yè):Battery Manufacturing
Sigma:隱色結(jié)晶紫,219215-5G,CAS:603-48-5 屬性: 形式:powder 質(zhì)量水平:200 應(yīng)用: hematology: suitable histology: suitable Mp:175-177°C (lit.) Λmax:260 nm ε (extinction coefficient):≥700 at 257-263nm
Sigma:曙紅Y,230251-25G,CAS:15086-94-9 屬性: 測定:75% (HPLC) 質(zhì)量水平:100 形式:powder 應(yīng)用:hematology: suitable histology: suitable 溶解性:spirit: soluble Λmax:524 nm 特色行業(yè):Diagnostic Assay Manufacturing 儲存溫度:room temp
Sigma:辣根過氧化物酶(POD),77332-100MG,CAS:9003-99-0 屬性: 形式:powder 質(zhì)量水平:100 質(zhì)量:lyophilized specific activity:~150U/mg 分子量:Mr~40000 溶解性: 50 mM potassium phosphate buffer, pH 6.0: 5mg/mL (0.1% BSA)
Sigma:嘌呤霉素鹽酸鹽,P8833-10mg,CAS:58-58-2 屬性: 質(zhì)量水平:300 生物來源:Streptomyces alboniger 產(chǎn)品線:BioReagent 測定:≥98% (HPLC) 形式:powder 分子量:544.43g/mol 應(yīng)用:cell culture | mammalian: suitable 顏色:yellow-white
Sigma:DL-蘋果酸,94916-100MG,CAS:6915-15-7 屬性: 質(zhì)量水平:100 等級:analytical standard 蒸汽密度:4.6 (vs air) 蒸汽壓:0.1 mmHg ( 20 °C) 測定:95.0-105.0 wt. % (NaOH 0.1M, T) 形式:neat 自燃溫度:644°F
Sigma:碳酸氫鈉,792519-500G,CAS:144-55-8 屬性: 質(zhì)量水平:100 等級:ACS reagent anhydrous 測定:≥99.7% 形式:powder 質(zhì)量:free-flowing 雜質(zhì):≤0.015% insoluble matter
Sigma:檸檬酸,94676-100MG,CAS:77-92-9 屬性: 質(zhì)量水平:300 等級:certified reference material TraceCERT® 形式:neat 保質(zhì)期:limited shelf life, expiry date on the label expl. Lim:8%, 65°F 應(yīng)用:HPLC: suitable